7
FRONT PANEL CONTROLS
1. POWER SWITCH
To turn the equalizer ON or OFF, press the upper or lower portion of this button. CAUTION: Always
turn on your equalizer BEFORE your power amplifiers are turned on, and always turn off your equal-
izer AFTER your power amplifiers have been turned off.
2. FILTER LEVEL CONTROLS
Each of these sliders controls the signal level of each of the 31 (or 15) bandpass filters. A detent at
the center position helps center the controls for a flat response.
3. FILTER RANGE SWITCH & INDICATORS
The gain range of the filter sliders is switchable (as a group) from +/-6dB to + /-12dB for maximum
boost/cut capability. At +/-6dB the green LED will illuminate, and at +/-12dB the yellow LED will
illuminate.
4. BYPASS SWITCH & CLIP INDICATOR LED
Bypass Switch:
When the red Bypass LED is illuminated, this indicates that the unit or chan-
nel is in the bypass mode. Signal is routed directly from the input to the output without passing
through any circuitry (often referred to as ”hard-wire bypass”). Use this switch to compare
equalized and unequalized material, or to bypass the EQ section in the event of total unit fail-
ure.
Summary of Contents for H131
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